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13 Matching Results
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Arc-Lamp.
Patent for an arc lamp that features a spring operated clutch mechanism for the upper electrode.
Date:
July 10, 1917
Creator:
Williams, Theron H.
System:
The Portal to Texas History
Attachment for Object-Finders.
Patent for a "new and useful attachment for the object finder of a camera" (lines 9-10) with adjustable configuration, including illustrations.
Date:
July 20, 1915
Creator:
Lawson, Harry C.
System:
The Portal to Texas History
Wrench.
Patent for a new sliding jaw type wrench which enables objects to be clamped in the jaws of the wrench securely while leverage is used to rotate the head of a nut.
Date:
July 29, 1913
Creator:
McGill, Wisdom
System:
The Portal to Texas History
Machine for Pressing Shingles and Slabs and The Like
Patent for a machine designed for manufacturing shingles and other building material. Illustrations included.
Date:
July 26, 1910
Creator:
Baade, John
System:
The Portal to Texas History
Surgical Appliance.
Patent for a surgical appliance, "adapted for the treatment of rectal and uterine troubles".
Date:
July 1, 1913
Creator:
Woodward, Lewis Ethridge
System:
The Portal to Texas History
Tire-Protector.
Patent for an adjustable protective shield for automobile tires, including instructions and illustrations.
Date:
July 2, 1912
Creator:
Day, Alfred H.
System:
The Portal to Texas History
Scrip Holder.
Patent for "a scrip holder, designed particularly for housing in a conveniently accessible manner the usual railroad scrip" (lines 8-11).
Date:
July 14, 1914
Creator:
Cleveland, George H.
System:
The Portal to Texas History
Seed-Planter
Patent for improvements to seed planters including "having a revolving seed distributing drum provided with radial slots in which radially moving plungers are arranged, and so operated that at predetermined points seeds are received in the pockets and subsequently ejected therefrom" (lines 12-17) including instructions and illustrations.
Date:
July 29, 1913
Creator:
Gibson, Rupert R.
System:
The Portal to Texas History
Nutcracker.
Patent for a nutcracker, which does not crush the nut inside.
Date:
July 12, 1910
Creator:
Fort, Foster W. & Cruger, Harry T.
System:
The Portal to Texas History
Overall-Waist
Patent for connections between union overalls and coat (waist). This invention enables a close overlap between trousers and coat, "to avoid all loose or flying portions of the garment which might otherwise impede or obstruct the free use of arms of the wearer or catch in machinery" (p.1 lines 51 to 55) etc.
Date:
July 16, 1918
Creator:
Elliott, Joseph S.
System:
The Portal to Texas History
Refrigerator
Patent for a refrigerator. Illustrations included.
Date:
July 19, 1910
Creator:
Conroy, Eliza D.
System:
The Portal to Texas History
Electric-Line-Apparatus Protector
Patent for electric-line-apparatus protector used to protect telephone and other electrical circuits from damaged caused by electricity. This is a simple and efficient device.
Date:
July 25, 1916
Creator:
Higgins, Peter K. & Parker, Frederick R.
System:
The Portal to Texas History
Cultivator
Patent for a cultivator. Illustrations included.
Date:
July 26, 1910
Creator:
Divin, Frank
System:
The Portal to Texas History